From Vi Hart, two nifty videos of ways to play with maths. And I mean play. It's Sunday. That's what Sunday is for. I think I like the second one best. I play with bits of paper all the time. Can't do that in a paperless office...
I know her! A friend of a friend at MIT. She's very cool.
Monica, yes, the whole notion is very cool. I would have loved this as a kid.